CVE-2026-1603 (GCVE-0-2026-1603)

Vulnerability from cvelistv5 – Published: 2026-02-10 15:09 – Updated: 2026-03-10 03:55
VLAI CISA Shadowserver Previdian
Summary
An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored credential data.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 00:00 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
Impacted products
Vendor Product Version CPE status
Ivanti Endpoint Manager Unaffected: 2024 SU5
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6e94730d-17c7-46e9-89a8-ad43bd72438b

Vulnerability ID: CVE-2026-1603

Status: Confirmed

Status Updated: 2026-03-09 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-03-09
Asserted: 2026-03-09
Scope
Notes: KEV entry: Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability | Affected: Ivanti / Endpoint Manager (EPM) | Description: Ivanti Endpoint Manager (EPM) contains an authentication bypass using an alternate path or channel vulnerability that could allow a remote unauthenticated attacker to leak specific stored credential data. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-03-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://hub.ivanti.com/s/article/Security-Advisory-EPM-February-2026-for-EPM-2024?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2026-1603
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-288
Feed CISA Known Exploited Vulnerabilities Catalog
Product Endpoint Manager (EPM)
Due Date 2026-03-23
Date Added 2026-03-09
Vendorproject Ivanti
Vulnerabilityname Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-03-09 20:00 UTC | Updated: 2026-03-09 20:00 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a73e833c-6418-47ef-88d9-a544f4dd3907

Vulnerability ID: CVE-2026-1603

Status: Confirmed

Status Updated: 2026-07-19 00:00 UTC

Exploited: Yes

Characteristics
Severity: 75.0
Timestamps
First Seen: 2026-02-17
Asserted: 2026-02-17
Last Seen: 2026-07-19
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Ivanti / Ivanti EPM | Class: device-management-platform | Severity: High (CVSS 7.5) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-07-19: 13
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class device-management-platform
7D Avg 0
Vendor Ivanti
30D Avg 2
90D Avg 14
Product Ivanti EPM
Cisa Kev yes
Connections 13
Observation Date 2026-07-19
Vulnerability Class CVSS
Vulnerability Score 7.5
Vulnerability Severity High
References
Created: 2026-06-30 09:22 UTC | Updated: 2026-07-21 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e43ec848-c127-46b1-8b3d-1022910949e7

Vulnerability ID: CVE-2026-1603

Status: Confirmed

Status Updated: 2026-06-01 12:09 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored... | Affected: Ivanti / Endpoint Manager | CVSS: 8.6 (HIGH) | EPSS: 0.81089 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored...
Vendor Ivanti
Product Endpoint Manager
Added Date 2026-06-01T12:09:49.879Z
Cvss Score 8.6
Epss Score 0.81089
Cvss Severity HIGH
Epss Percentile 0.99584
Used In Malware unknown
Ahead Of Cisa Kev 
{
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}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.